Re: delete cascade

From: Marshall <marshall.spight_at_gmail.com>
Date: 16 Apr 2007 07:15:43 -0700
Message-ID: <1176732942.968634.184750_at_n76g2000hsh.googlegroups.com>


On Apr 16, 5:56 am, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
> paul c wrote:
>
> >> Because some times it means: "If a line item exists, the invoice must
> >> also exist."
>
> > Please forgive my thickness, but doesn't "line item doesn't exist
> > unless..." (ie., "only if") "...the invoice exists" mean the same?
>
> No. One states that deleting the invoice automatically deletes any items
> that exist. The other states that one may not delete an invoice when any
> items exist.

Is this anything other than a convenience? (Not that I don't value convenience.)

Marshall Received on Mon Apr 16 2007 - 16:15:43 CEST

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